[疑惑] 有關報酬率相關係數
在寫考古題時,遇到下題:
由兩種股票組成的投資組合圖形中,當其報酬率相關係數等於多少時,
其各組合點為一直線?
A.0
B.0.5
C.1
D.-1
答案是C,可是以我的理解,答案不是應該是-1嗎?
求各位大神幫忙解惑,感謝。
--
※ 發信站: 批踢踢實業坊(ptt.cc), 來自: 112.105.246.28
※ 文章網址: https://www.ptt.cc/bbs/License/M.1492498004.A.46D.html
→
04/19 00:27, , 1F
04/19 00:27, 1F
→
04/19 00:27, , 2F
04/19 00:27, 2F
→
04/19 00:27, , 3F
04/19 00:27, 3F
→
04/19 00:27, , 4F
04/19 00:27, 4F
→
04/19 00:27, , 5F
04/19 00:27, 5F
→
04/19 00:27, , 6F
04/19 00:27, 6F
→
04/19 00:27, , 7F
04/19 00:27, 7F
→
04/19 10:20, , 8F
04/19 10:20, 8F